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Damiani S, La-Torraca-Vittori P, Tarchi L, Tosi E, Ricca V, Scalabrini A, Politi P, Fusar-Poli P. On the interplay between state-dependent reconfigurations of global signal correlation and BOLD fluctuations: An fMRI study. Neuroimage 2024; 291:120585. [PMID: 38527658 DOI: 10.1016/j.neuroimage.2024.120585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 03/10/2024] [Accepted: 03/22/2024] [Indexed: 03/27/2024] Open
Abstract
BACKGROUND The dynamics of global, state-dependent reconfigurations in brain connectivity are yet unclear. We aimed at assessing reconfigurations of the global signal correlation coefficient (GSCORR), a measure of the connectivity between each voxel timeseries and the global signal, from resting-state to a stop-signal task. The secondary aim was to assess the relationship between GSCORR and blood-oxygen-level-dependent (BOLD) activations or deactivation across three different trial-conditions (GO, STOP-correct, and STOP-incorrect). METHODS As primary analysis we computed whole-brain, voxel-wise GSCORR during resting-state (GSCORR-rest) and stop-signal task (GSCORR-task) in 107 healthy subjects aged 21-50, deriving GSCORR-shift as GSCORR-task minus GSCORR-rest. GSCORR-tr and trGSCORR-shift were also computed on the task residual time series to quantify the impact of the task-related activity during the trials. To test the secondary aim, brain regions were firstly divided in one cluster showing significant task-related activation and one showing significant deactivation across the three trial conditions. Then, correlations between GSCORR-rest/task/shift and activation/deactivation in the two clusters were computed. As sensitivity analysis, GSCORR-shift was computed on the same sample after performing a global signal regression and GSCORR-rest/task/shift were correlated with the task performance. RESULTS Sensory and temporo-parietal regions exhibited a negative GSCORR-shift. Conversely, associative regions (ie. left lingual gyrus, bilateral dorsal posterior cingulate gyrus, cerebellum areas, thalamus, posterolateral parietal cortex) displayed a positive GSCORR-shift (FDR-corrected p < 0.05). GSCORR-shift showed similar patterns to trGSCORR-shift (magnitude increased) and after global signal regression (magnitude decreased). Concerning BOLD changes, Brodmann area 6 and inferior parietal lobule showed activation, while posterior parietal lobule, cuneus, precuneus, middle frontal gyrus showed deactivation (FDR-corrected p < 0.05). No correlations were found between GSCORR-rest/task/shift and beta-coefficients in the activation cluster, although negative correlations were observed between GSCORR-task and GO/STOP-correct deactivation (Pearson rho=-0.299/-0.273; Bonferroni-p < 0.05). Weak associations between GSCORR and task performance were observed (uncorrected p < 0.05). CONCLUSION GSCORR state-dependent reconfiguration indicates a reallocation of functional resources to associative areas during stop-signal task. GSCORR, activation and deactivation may represent distinct proxies of brain states with specific neurofunctional relevance.
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Affiliation(s)
- Stefano Damiani
- Department of Brain and Behavioral Sciences, University of Pavia, Via Bassi 21, Pavia, Italy
| | | | - Livio Tarchi
- Psychiatry Unit, Department of Health Sciences, University of Florence, Florence, Italy
| | - Eleonora Tosi
- Department of Brain and Behavioral Sciences, University of Pavia, Via Bassi 21, Pavia, Italy
| | - Valdo Ricca
- Psychiatry Unit, Department of Health Sciences, University of Florence, Florence, Italy
| | - Andrea Scalabrini
- Department of Human and Social Sciences, University of Bergamo, Bergamo, Italy
| | - Pierluigi Politi
- Department of Brain and Behavioral Sciences, University of Pavia, Via Bassi 21, Pavia, Italy
| | - Paolo Fusar-Poli
- Department of Brain and Behavioral Sciences, University of Pavia, Via Bassi 21, Pavia, Italy; Department of Psychosis Studies, King's College London, London, UK; Outreach and Support in South-London (OASIS) service, South London and Maudlsey (SLaM) NHS Foundation Trust, UK; Department of Psychiatry and Psychotherapy, Ludwig-Maximilian-University, Munich, Germany
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Lajtos M, Barradas-Chacón LA, Wriessnegger SC. Effects of handedness on brain oscillatory activity during imagery and execution of upper limb movements. Front Psychol 2023; 14:1161613. [PMID: 37384193 PMCID: PMC10293623 DOI: 10.3389/fpsyg.2023.1161613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 05/18/2023] [Indexed: 06/30/2023] Open
Abstract
Brain activation during left- and right-hand motor imagery is a popular feature used for brain-computer interfaces. However, most studies so far have only considered right-handed participants in their experiments. This study aimed to investigate how handedness influences brain activation during the processes of imagining and executing simple hand movements. EEG signals were recorded using 32 channels while participants repeatedly squeezed or imagined squeezing a ball using their left, right, or both hands. The data of 14 left-handed and 14 right-handed persons were analyzed with a focus on event-related desynchronization/synchronization patterns (ERD/S). Both handedness groups showed activation over sensorimotor areas; however, the right-handed group tended to display more bilateral patterns than the left-handed group, which is in contrast to earlier research results. Furthermore, a stronger activation during motor imagery than during motor execution could be found in both groups.
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Affiliation(s)
- Melissa Lajtos
- Institute of Neural Engineering, Graz University of Technology, Graz, Austria
- Medical Image and Signal Processing (MEDISIP), Department of Electronics and Information Systems (ELIS), Ghent University, Ghent, Belgium
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Does the Degree and/or Direction of Handedness in Children With Developmental Coordination Disorder Influence Motor and Cognitive Performance? A Pilot Study. JOURNAL OF MOTOR LEARNING AND DEVELOPMENT 2023. [DOI: 10.1123/jmld.2022-0045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
Abstract
Research has shown that nonright-handedness in children with developmental coordination disorder (DCD) is associated with poorer motor and cognitive performance. This study investigated the influence of degree and direction of handedness on performance using the Home Handedness Questionnaire, the Hit-the-Dot test, the Movement Assessment Battery for Children, and the digital Trail-Making Test. Eighteen children with DCD and 21 typically developing children aged 8–12 years participated in this study. The distribution of degree and direction of handedness in the group of DCD children were not different from that found in the typically developing group. In the Hit-the-Dot test, typically developing children significantly performed better than children with DCD, no matter which hand was dominant or to which degree. A significant inconsistent-handed advantage in the subdomain balance was found for children with DCD. Inconsistent handedness also seems to be an advantage for children with DCD on the digital Trail-Making Test performance. The relationship between the subcategories of the Movement Assessment Battery for Children and the digital Trail-Making Test part B is stronger for consistent than for inconsistent handedness. Our findings suggest that children with DCD and inconsistent handedness might benefit from greater crosstalk across hemispheres. In addition, these predispositions can be reinforced or discouraged throughout development and via occupational therapy.
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Richards G, Tan DW, Whitehouse AJO, Chris McManus I, Beaton AA, Hickey M, Maybery MT, Licari MK, Lawson L. A longitudinal examination of perinatal testosterone, estradiol and vitamin D as predictors of handedness outcomes in childhood and adolescence. Laterality 2022; 27:547-580. [PMID: 35938410 DOI: 10.1080/1357650x.2022.2109656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The developmental origins of handedness remain elusive, though very early emergence suggests individual differences manifesting in utero could play an important role. Prenatal testosterone and Vitamin D exposure are considered, yet findings and interpretations remain equivocal. We examined n = 767 offspring from a population-based pregnancy cohort (The Raine Study) for whom early biological data and childhood/adolescent handedness data were available. We tested whether 18-week maternal circulatory Vitamin D (25[OH]D), and testosterone and estradiol from umbilical cord blood sampled at birth predicted variance in direction of hand preference (right/left), along with right- and left-hand speed, and the strength and direction of relative hand skill as measured by a finger-tapping task completed at 10 (Y10) and/or 16 (Y16) years. Although higher concentrations of Vitamin D predicted more leftward and less lateralized (regardless of direction) relative hand skill profiles, taken as a whole, statistically significant findings typically did not replicate across time-point (Y10/Y16) or sex (male/female) and were rarely detected across different (bivariate/multivariate) levels of analysis. Considering the number of statistical tests and generally inconsistent findings, our results suggest that perinatal testosterone and estradiol contribute minimally, if at all, to subsequent variance in handedness. Vitamin D, however, may be of interest in future studies.
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Affiliation(s)
- Gareth Richards
- School of Psychology, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK
| | - Diana Weiting Tan
- School of Psychological Science, University of Western Australia, Perth, Australia.,Telethon Kids Institute, University of Western Australia, Perth, Australia.,School of Education, Macquarie University, Sydney, Australia
| | | | - I Chris McManus
- Research Department of Clinical, Education and Health Psychology, Division of Psychology and Language Sciences, Faculty of Brain Sciences, School of Life and Medical Sciences, University College London, London, UK.,Research Department for Medical Education, University College London Medical School, School of Life and Medical Sciences, University College London, London, UK
| | - Alan A Beaton
- Department of Psychology, School of Human & Health Sciences, Swansea University, Swansea, UK.,Department of Psychology, Aberystwyth University, Aberystwyth, UK
| | - Martha Hickey
- Department of Obstetrics and Gynaecology, University of Melbourne and the Royal Women's Hospital, Victoria, Australia
| | - Murray T Maybery
- School of Psychological Science, University of Western Australia, Perth, Australia
| | - Melissa K Licari
- Telethon Kids Institute, University of Western Australia, Perth, Australia
| | - Lauren Lawson
- Olga Tennison Autism Research Centre, La Trobe University, Melbourne, Australia.,Cooperative Research Centre for Living with Autism (Autism CRC), Long Pocket, Brisbane, Australia
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5
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Hemispheric Asymmetry of the Hand Motor Representations in Patients with Highly Malignant Brain Tumors: Implications for Surgery and Clinical Practice. Brain Sci 2022; 12:brainsci12101274. [PMID: 36291208 PMCID: PMC9599694 DOI: 10.3390/brainsci12101274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 09/19/2022] [Accepted: 09/20/2022] [Indexed: 12/02/2022] Open
Abstract
We addressed both brain pre-surgical functional and neurophysiological aspects of the hand representation in 18 right-handed patients harboring a highly malignant brain tumor in the sensorimotor (SM) cortex (10 in the left hemisphere, LH, and 8 in the right hemisphere, RH) and 10 healthy controls, who performed an fMRI hand-clenching task with both hands alternatively. We extracted the main ROI in the SM cortex and compared ROI values and volumes between hemispheres and groups, in addition to their motor neurophysiological measures. Hemispheric asymmetry in the fMRI signal was observed for healthy controls, namely higher signal for the left-hand movements, but not for either patients’ groups. ROI values, although altered in patients vs. controls, did not differ significantly between groups. ROI volumes associated with right-hand movement were lower for both patients’ groups vs. controls, and those associated with left-hand movement were lower in the RH group vs. all groups. These results are relevant to interpret potential preoperative plasticity and make inferences about postoperative plasticity and can be integrated in the surgical planning to increase surgery success and postoperative prognosis and quality of life.
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Takasawa E, Abe M, Chikuda H, Hanakawa T. A computational model based on corticospinal functional MRI revealed asymmetrically organized motor corticospinal networks in humans. Commun Biol 2022; 5:664. [PMID: 35790815 PMCID: PMC9256686 DOI: 10.1038/s42003-022-03615-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 06/21/2022] [Indexed: 11/21/2022] Open
Abstract
Evolution of the direct, monosynaptic connection from the primary motor cortex to the spinal cord parallels acquisition of hand dexterity and lateralization of hand preference. In non-human mammals, the indirect, multi-synaptic connections between the bilateral primary motor cortices and the spinal cord also participates in controlling dexterous hand movement. However, it remains unknown how the direct and indirect corticospinal pathways work in concert to control unilateral hand movement with lateralized preference in humans. Here we demonstrated the asymmetric functional organization of the two corticospinal networks, by combining network modelling and simultaneous functional magnetic resonance imaging techniques of the brain and the spinal cord. Moreover, we also found that the degree of the involvement of the two corticospinal networks paralleled lateralization of hand preference. The present results pointed to the functionally lateralized motor nervous system that underlies the behavioral asymmetry of handedness in humans. MRI and network modelling reveal correlation between the degree of involvement of the two corticospinal networks and the lateralization of handedness in humans.
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Affiliation(s)
- Eiji Takasawa
- Department of Advanced Neuroimaging, Integrative Brain Imaging Center, National Center of Neurology and Psychiatry, Tokyo, Japan.,Department of Orthopaedic Surgery, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
| | - Mitsunari Abe
- Department of Advanced Neuroimaging, Integrative Brain Imaging Center, National Center of Neurology and Psychiatry, Tokyo, Japan.
| | - Hirotaka Chikuda
- Department of Orthopaedic Surgery, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
| | - Takashi Hanakawa
- Department of Advanced Neuroimaging, Integrative Brain Imaging Center, National Center of Neurology and Psychiatry, Tokyo, Japan. .,Department of Integrated Neuroanatomy & Neuroimaging, Kyoto University Graduate School of Medicine, Kyoto, Japan.
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Tisseyre J, Amarantini D, Tallet J. Behavioural and cerebral asymmetries of mirror movements are specific to rhythmic task and related to higher attentional and executive control. Behav Brain Res 2021; 412:113429. [PMID: 34175358 DOI: 10.1016/j.bbr.2021.113429] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 05/31/2021] [Accepted: 06/21/2021] [Indexed: 11/28/2022]
Abstract
Mirror movements (MM) refer to the involuntary movements or contractions occurring in homologous muscles contralateral to the unilateral voluntary movements. This behavioural manifestation increases in elderly. In right-handed adults, some studies report asymmetry in MM production, with greater MM in the right dominant hand during voluntary movements of the left non-dominant hand than the opposite. However, other studies report contradictory results, suggesting that MM asymmetry could depend on the characteristics of the task. The present study investigates the behavioural asymmetry of MM and its associated cerebral correlates during a rhythmic task and a non-rhythmic task using low-force contractions (i.e., 25 % MVC). We determined the quantity and the intensity of MM using electromyography (EMG) and cerebral correlates through electroencephalography (EEG) in right-handed healthy young and middle-aged adults during unimanual rhythmic vs. non-rhythmic tasks. Overall, results revealed (1) behavioural asymmetry of MM specific to the rhythmic task and irrespective of age, (2) cerebral asymmetry of motor activations specific to the rhythmic task and irrespective of age and (3) greater attentional and executive activations in the rhythmic task compared to the non-rhythmic task. In line with our hypotheses, behavioural and cerebral motor asymmetries of MM seem to be specific to the rhythmic task. Results are discussed in terms of cognitive-motor interactions: greater attentional and executive control required in the rhythmic tasks could contribute to the increased occurrence of involuntary movements in both young and middle-aged adults.
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Affiliation(s)
- Joseph Tisseyre
- Toulouse NeuroImaging Center, Université de Toulouse, Inserm, UPS, Toulouse, France.
| | - David Amarantini
- Toulouse NeuroImaging Center, Université de Toulouse, Inserm, UPS, Toulouse, France
| | - Jessica Tallet
- Toulouse NeuroImaging Center, Université de Toulouse, Inserm, UPS, Toulouse, France
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8
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Tzourio-Mazoyer N, Labache L, Zago L, Hesling I, Mazoyer B. Neural support of manual preference revealed by BOLD variations during right and left finger-tapping in a sample of 287 healthy adults balanced for handedness. Laterality 2021; 26:398-420. [PMID: 33403938 DOI: 10.1080/1357650x.2020.1862142] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
We have identified the brain areas involved in Manual Preference (MP) in 143 left-handers (LH) and 144 right-handers (RH). First, we selected the pairs of homotopic regions of interest (hROIs) of the AICHA atlas with significant contralateral activation and asymmetry during the right hand and the left hand Finger-Tapping (FT) both in RH and LH. Thirteen hROIs were selected, including the primary and secondary sensorimotor and premotor cortices, thalamus, dorsal putamen, and cerebellar lobule IV. In both groups, contralateral activations and ipsilateral deactivations were seen, with stronger asymmetries when the preferred hand was used. Comparing with different models for the prediction of MP, we found that the differences in activity during preferred hand minus non-preferred hand movement in 11 contralateral and/or ipsilateral hROIS were best at explaining handedness distribution. Two different mechanisms were identified: 1. Stronger contralateral activity of cortical and cerebellar motor areas during right hand movement, seen in both groups but modulated by handedness; 2. Stronger deactivation in ipsilateral areas during dominant hand movement in both groups, LH here mirroring RH. The present study thus demonstrates that handedness neural support is complex and not simply based on a mirrored organization of hand motor areas.
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Affiliation(s)
- N Tzourio-Mazoyer
- Institut des Maladies Neurodégénératives, Université de Bordeaux, Bordeaux, France.,CNRS, Institut des Maladies Neurodégénératives, Bordeaux, France.,CEA, Institut des Maladies Neurodégénératives, Bordeaux, France
| | - L Labache
- Institut des Maladies Neurodégénératives, Université de Bordeaux, Bordeaux, France.,CNRS, Institut des Maladies Neurodégénératives, Bordeaux, France.,CEA, Institut des Maladies Neurodégénératives, Bordeaux, France.,Institut de Mathématiques de Bordeaux, Université de Bordeaux, Bordeaux, France.,Bordeaux INP, Institut de Mathématiques de Bordeaux, Bordeaux, France.,INRIA Bordeaux Sud-Ouest, Institut de Mathématiques de Bordeaux, Talence, France
| | - L Zago
- Institut des Maladies Neurodégénératives, Université de Bordeaux, Bordeaux, France.,CNRS, Institut des Maladies Neurodégénératives, Bordeaux, France.,CEA, Institut des Maladies Neurodégénératives, Bordeaux, France
| | - I Hesling
- Institut des Maladies Neurodégénératives, Université de Bordeaux, Bordeaux, France.,CNRS, Institut des Maladies Neurodégénératives, Bordeaux, France.,CEA, Institut des Maladies Neurodégénératives, Bordeaux, France
| | - B Mazoyer
- Institut des Maladies Neurodégénératives, Université de Bordeaux, Bordeaux, France.,CNRS, Institut des Maladies Neurodégénératives, Bordeaux, France.,CEA, Institut des Maladies Neurodégénératives, Bordeaux, France.,Institut des Maladies Neurodégénératives Clinique, Centre Hospitalier Universitaire, Bordeaux, France
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9
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Sawamura D, Sakuraba S, Yoshida K, Hasegawa N, Suzuki Y, Yoshida S, Honke T, Sakai S. Chopstick operation training with the left non-dominant hand. Transl Neurosci 2021; 12:385-395. [PMID: 34721894 PMCID: PMC8536892 DOI: 10.1515/tnsci-2020-0189] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 09/16/2021] [Accepted: 09/20/2021] [Indexed: 12/26/2022] Open
Abstract
Background Training a non-dominant hand is important for rehabilitating people who are required to change handedness. However, improving the dexterity in using chopsticks with a non-dominant hand through training remains unclear. This study is aimed to measure whether chopstick training improves non-dominant hand chopstick operation skills and leads to acquisition of skill levels similar to those of the dominant hand. Methods This single-blinded randomized controlled trial enrolled 34 healthy young right-handed subjects who scored >70 points on the Edinburgh Handedness Questionnaire Inventory. They were randomly allocated to training or control groups. The training group participated in a 6-week chopstick training program with the non-dominant left hand, while the control group did not. Asymmetry of chopstick operation skill, perceived psychological stress, and oxygen-hemoglobin concentration as a brain activity measure in each hemisphere were measured before and after training. Results Participants in the training group had significantly lower asymmetry than those in the control group during the post-training assessment (F[1,30] ≥ 5.54, p ≤ 0.03, partial η2 ≥ 0.156). Only perceived psychological stress had a significantly higher asymmetry during the post-training assessment (t[15] = 3.81, p < 0.01). Conclusion Six weeks of chopstick training improved non-dominant chopstick operation skills, and a performance level similar to that of the dominant hand was acquired.
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Affiliation(s)
- Daisuke Sawamura
- Department of Rehabilitation Science, Faculty of Health Sciences, Hokkaido University, Sapporo, Hokkaido, 060-0812, Japan
| | - Satoshi Sakuraba
- Department of Rehabilitation Sciences, Health Sciences University of Hokkaido, Ishikari-Gun, 061-0293, Japan
| | - Kazuki Yoshida
- Department of Rehabilitation Science, Faculty of Health Sciences, Hokkaido University, Sapporo, Hokkaido, 060-0812, Japan
| | - Naoya Hasegawa
- Department of Rehabilitation Science, Faculty of Health Sciences, Hokkaido University, Sapporo, Hokkaido, 060-0812, Japan
| | - Yumi Suzuki
- Department of Occupational Therapy, Yamagata Prefectural University of Health Sciences, Yamagata, 990-2212, Japan
| | - Susumu Yoshida
- Department of Rehabilitation Sciences, Health Sciences University of Hokkaido, Ishikari-Gun, 061-0293, Japan
| | - Toshihiro Honke
- Department of Rehabilitation Sciences, Health Sciences University of Hokkaido, Ishikari-Gun, 061-0293, Japan
| | - Shinya Sakai
- Department of Rehabilitation Science, Faculty of Health Sciences, Hokkaido University, Sapporo, Hokkaido, 060-0812, Japan
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Abstract
The development and persistence of laterality is a key feature of human motor behavior, with the asymmetry of hand use being the most prominent. The idea that asymmetrical functions of the hands reflect asymmetries in terms of structural and functional brain organization has been tested many times. However, despite advances in laterality research and increased understanding of this population-level bias, the neural basis of handedness remains elusive. Recent developments in diffusion magnetic resonance imaging enabled the exploration of lateralized motor behavior also in terms of white matter and connectional neuroanatomy. Despite incomplete and partly inconsistent evidence, structural connectivity of both intrahemispheric and interhemispheric white matter seems to differ between left and right-handers. Handedness was related to asymmetry of intrahemispheric pathways important for visuomotor and visuospatial processing (superior longitudinal fasciculus), but not to projection tracts supporting motor execution (corticospinal tract). Moreover, the interindividual variability of the main commissural pathway corpus callosum seems to be associated with handedness. The review highlights the importance of exploring new avenues for the study of handedness and presents the latest state of knowledge that can be used to guide future neuroscientific and genetic research.
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Affiliation(s)
- Sanja Budisavljevic
- Department of General Psychology, University of Padova, Padova, Italy.,The School of Medicine, University of St. Andrews, St. Andrews, UK
| | - Umberto Castiello
- Department of General Psychology, University of Padova, Padova, Italy
| | - Chiara Begliomini
- Department of General Psychology, University of Padova, Padova, Italy
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11
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Mayer AR, Hanlon FM, Shaff NA, Stephenson DD, Ling JM, Dodd AB, Hogeveen J, Quinn DK, Ryman SG, Pirio-Richardson S. Evidence for asymmetric inhibitory activity during motor planning phases of sensorimotor synchronization. Cortex 2020; 129:314-328. [PMID: 32554227 DOI: 10.1016/j.cortex.2020.04.028] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 03/15/2020] [Accepted: 04/19/2020] [Indexed: 01/11/2023]
Abstract
Sensorimotor synchronization (SMS) is frequently dependent on coordination of excitatory and inhibitory activity across hemispheres, as well as the cognitive control over environmental distractors. However, the timing (motor planning versus execution) and cortical regions involved in these processes remain actively debated. Functional magnetic resonance imaging data were therefore analyzed from 34 strongly right-handed healthy adults performing a cued (to initiate motor planning) SMS task with either their right or left hand (motor execution phase) based on spatially congruent or incongruent visual stimuli. Behavioral effects of incongruent stimuli were limited to the first stimulus. Functionally, greater activation was observed in left sensorimotor cortex (SMC) and right cerebellar Lobule V for congruent versus incongruent stimuli. A negative blood-oxygen level dependent response, a putative marker of neural inhibition, was present in bilateral SMC, right supplemental motor area (SMA) and bilateral cerebellar Lobule V during the motor planning, but not execution phase. The magnitude of the inhibitory response was greater in right cortical regions and cerebellar Lobule V. Homologue connectivity was associated with inhibitory activity in the right SMA, suggesting that individual differences in intrinsic connectivity may mediate transcallosal inhibition. In summary, results suggest increased inhibition (i.e., greater negative BOLD response) within the right relative to left hemisphere, which was released once motor programs were executed. Both task and intrinsic functional connectivity results highlight a critical role of the left SMA in interhemispheric inhibition and motor planning.
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Affiliation(s)
- Andrew R Mayer
- The Mind Research Network/LBERI, Albuquerque, NM, USA; Departments of Psychology, University of New Mexico, Albuquerque, NM, USA; Department of Neurology, University of New Mexico, Albuquerque, NM, USA; Departments of Psychiatry, University of New Mexico, Albuquerque, NM, USA.
| | | | | | | | - Josef M Ling
- The Mind Research Network/LBERI, Albuquerque, NM, USA
| | - Andrew B Dodd
- The Mind Research Network/LBERI, Albuquerque, NM, USA
| | - Jeremy Hogeveen
- Departments of Psychology, University of New Mexico, Albuquerque, NM, USA
| | - Davin K Quinn
- Departments of Psychiatry, University of New Mexico, Albuquerque, NM, USA
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Prieur J, Le Du G, Stomp M, Barbu S, Blois-Heulin C. Human laterality for manipulation and gestural communication: A study of beach-volleyball players during the Olympic Games. Laterality 2020; 25:229-254. [PMID: 31366285 DOI: 10.1080/1357650x.2019.1648485] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Comparative studies can help understand better brain functional lateralization for manipulation and language. This study investigated and compared, for the first time, human adults' laterality for manipulation and gestures in a non-experimental social context. We analysed the manual laterality of 48 beach volleyball athletes for four frequently expressed behaviours: a complex throwing action (jump serve) and three gestures (CLAP HAND, PUMP FIST and SLAP HAND-TO-HAND). We evaluated population-level laterality bias for each of the four behaviours separately, compared manual laterality between behaviours and investigated factors influencing gestural laterality. We furthered our between-gestures comparison by taking into account three categories of factors simultaneously: gesture characteristics (sensory modality), interactional context components (positions of interactants and emotional valence), and individual demographic characteristics (age, sex and country). Our study showed that (1) each behaviour considered presented a population-level right-hand bias, (2) differences of laterality between behaviours were probably related to gesture sensory modality and (3) signaller's laterality was modulated differently in relation to positions of interactants, emotional valence, age and sex. Our results support the literature suggesting that left-hemisphere specialization for manipulation and language (speech and gestures) may have evolved from complex manual activities such as throwing and from gestural communication.
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Affiliation(s)
- Jacques Prieur
- CNRS, EthoS (Ethologie animale et humaine), Univ Rennes, Normandie Univ, Paimpont, France
| | - Gwendoline Le Du
- CNRS, EthoS (Ethologie animale et humaine), Univ Rennes, Normandie Univ, Paimpont, France
| | - Mathilde Stomp
- CNRS, EthoS (Ethologie animale et humaine), Univ Rennes, Normandie Univ, Paimpont, France
| | - Stéphanie Barbu
- CNRS, EthoS (Ethologie animale et humaine), Univ Rennes, Normandie Univ, Paimpont, France
| | - Catherine Blois-Heulin
- CNRS, EthoS (Ethologie animale et humaine), Univ Rennes, Normandie Univ, Paimpont, France
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Schlaffke L, Friedrich S, Tegenthoff M, Güntürkün O, Genç E, Ocklenburg S. Boom Chack Boom-A multimethod investigation of motor inhibition in professional drummers. Brain Behav 2020; 10:e01490. [PMID: 31801182 PMCID: PMC6955843 DOI: 10.1002/brb3.1490] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 11/11/2019] [Accepted: 11/14/2019] [Indexed: 11/12/2022] Open
Abstract
INTRODUCTION Our hands are the primary means for motor interaction with the environment, and their neural organization is fundamentally asymmetric: While most individuals can perform easy motor tasks with two hands equally well, only very few individuals can perform complex fine motor tasks with both hands at a similar level of performance. The reason why this phenomenon is so rare is not well understood. Professional drummers represent a unique population to study it, as they have remarkable abilities to perform complex motor tasks with their two limbs independently. METHODS Here, we used a multimethod neuroimaging approach to investigate the structural, functional, and biochemical correlates of fine motor behavior in professional drummers (n = 20) and nonmusical controls (n = 24). RESULTS Our results show that drummers have higher microstructural diffusion properties in the corpus callosum than controls. This parameter also predicts drumming performance and GABA levels in the motor cortex. Moreover, drummers show less activation in the motor cortex when performing a finger-tapping task than controls. CONCLUSION In conclusion, professional drumming is associated with a more efficient neuronal design of cortical motor areas as well as a stronger link between commissural structure and biochemical parameters associated with motor inhibition.
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Affiliation(s)
- Lara Schlaffke
- Department of Neurology, BG-Kliniken Bergmannsheil, Ruhr University Bochum, Bochum, Germany
| | - Sarah Friedrich
- Institute of Cognitive Neuroscience, Biopsychology, Department of Psychology, Ruhr-University Bochum, Bochum, Germany
| | - Martin Tegenthoff
- Department of Neurology, BG-Kliniken Bergmannsheil, Ruhr University Bochum, Bochum, Germany
| | - Onur Güntürkün
- Institute of Cognitive Neuroscience, Biopsychology, Department of Psychology, Ruhr-University Bochum, Bochum, Germany
| | - Erhan Genç
- Institute of Cognitive Neuroscience, Biopsychology, Department of Psychology, Ruhr-University Bochum, Bochum, Germany
| | - Sebastian Ocklenburg
- Institute of Cognitive Neuroscience, Biopsychology, Department of Psychology, Ruhr-University Bochum, Bochum, Germany.,Department of Psychology, University of Duisburg-Essen, Essen, Germany
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14
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Acute Phase Neuronal Activity for the Prognosis of Stroke Recovery. Neural Plast 2019; 2019:1971875. [PMID: 31611914 PMCID: PMC6755296 DOI: 10.1155/2019/1971875] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 05/17/2019] [Accepted: 06/24/2019] [Indexed: 11/17/2022] Open
Abstract
Strokes causing similar lesions and clinical states can be followed by diverse regains of neurological functions, indicating that the clinical recovery can depend on individual modulating factors. A promising line to disclose these factors, to finally open new therapeutic strategies, is to search for individual indices of recovery prognosis. Here, we pursued on strengthening the value of acute phase electrophysiological biomarkers for poststroke functional recovery in a wide group of patients. We enrolled 120 patients affected by a monohemispheric stroke within the middle cerebral artery territory (70 left and 50 right damages) and collected the NIH stroke scale (NIHSS) score in the acute phase (T0, median 4 days) and chronic follow-up (T1, median 6 months). At T0, we executed electrophysiological noninvasive assessment (19-channel electroencephalography (EEG) or 28 channels per side magnetoencephalography (MEG)) of brain activity at rest by means of band powers in the contra- and ipsilesional hemispheres (CLH, ILH) or the homologous area symmetry (HArS). Low-band (2-6 Hz) HArS entered the regression model for predicting the stabilized clinical state (p < 0.001), with bilateral impairment correlated with a poor outcome. Present data strengthen the fact that low-band impairment of homologous ipsi- and contralesional hemispheric regions in the acute stroke indicate a negative prognosis of clinical recovery.
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15
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Jastrzębowska MA, Marquis R, Melie-García L, Lutti A, Kherif F, Herzog MH, Draganski B. Dopaminergic modulation of motor network compensatory mechanisms in Parkinson's disease. Hum Brain Mapp 2019; 40:4397-4416. [PMID: 31291039 DOI: 10.1002/hbm.24710] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 05/28/2019] [Accepted: 06/27/2019] [Indexed: 12/29/2022] Open
Abstract
The dopaminergic system has a unique gating function in the initiation and execution of movements. When the interhemispheric imbalance of dopamine inherent to the healthy brain is disrupted, as in Parkinson's disease (PD), compensatory mechanisms act to stave off behavioral changes. It has been proposed that two such compensatory mechanisms may be (a) a decrease in motor lateralization, observed in drug-naïve PD patients and (b) reduced inhibition - increased facilitation. Seeking to investigate the differential effect of dopamine depletion and subsequent substitution on compensatory mechanisms in non-drug-naïve PD, we studied 10 PD patients and 16 healthy controls, with patients undergoing two test sessions - "ON" and "OFF" medication. Using a simple visually-cued motor response task and fMRI, we investigated cortical motor activation - in terms of laterality, contra- and ipsilateral percent BOLD signal change and effective connectivity in the parametric empirical Bayes framework. We found that decreased motor lateralization persists in non-drug-naïve PD and is concurrent with decreased contralateral activation in the cortical motor network. Normal lateralization is not reinstated by dopamine substitution. In terms of effective connectivity, disease-related changes primarily affect ipsilaterally-lateralized homotopic cortical motor connections, while medication-related changes affect contralaterally-lateralized homotopic connections. Our findings suggest that, in non-drug-naïve PD, decreased lateralization is no longer an adaptive cortical mechanism, but rather the result of maladaptive changes, related to disease progression and long-term dopamine replacement. These findings highlight the need for the development of noninvasive therapies, which would promote the adaptive mechanisms of the PD brain.
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Affiliation(s)
- Maya A Jastrzębowska
- Laboratory of Psychophysics, Brain Mind Institute, School of Life Sciences, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
- Laboratory for Research in Neuroimaging (LREN), Department of Clinical Neuroscience, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland
| | - Renaud Marquis
- Laboratory for Research in Neuroimaging (LREN), Department of Clinical Neuroscience, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland
- EEG and Epilepsy Unit, University Hospital of Geneva and Faculty of Medicine, Geneva, Switzerland
| | - Lester Melie-García
- Laboratory for Research in Neuroimaging (LREN), Department of Clinical Neuroscience, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland
| | - Antoine Lutti
- Laboratory for Research in Neuroimaging (LREN), Department of Clinical Neuroscience, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland
| | - Ferath Kherif
- Laboratory for Research in Neuroimaging (LREN), Department of Clinical Neuroscience, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland
| | - Michael H Herzog
- Laboratory of Psychophysics, Brain Mind Institute, School of Life Sciences, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
| | - Bogdan Draganski
- Laboratory for Research in Neuroimaging (LREN), Department of Clinical Neuroscience, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland
- Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
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16
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Paschke K, Bähr M, Wüstenberg T, Wilke M. Trunk rotation and handedness modulate cortical activation in neglect-associated regions during temporal order judgments. NEUROIMAGE-CLINICAL 2019; 23:101898. [PMID: 31491819 PMCID: PMC6627032 DOI: 10.1016/j.nicl.2019.101898] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Revised: 05/13/2019] [Accepted: 06/13/2019] [Indexed: 12/02/2022]
Abstract
The rotation of the trunk around its vertical midline could be shown to bias visuospatial temporal judgments towards targets in the hemifield ipsilateral to the trunk orientation and to improve visuospatial performance in patients with visual neglect. However, the underlying brain mechanisms are not well understood. Therefore, the goal of the present study was to investigate the neural effects associated with egocentric midplane shifts under consideration of individual handedness. We employed a visuospatial temporal order judgment (TOJ) task in healthy right- and left-handed subjects while their trunk rotation was varied. Participants responded by a saccade towards the stimulus perceived first out of two stimuli presented with different stimulus onset asynchronies (SOA). Apart from gaze behavior, BOLD-fMRI responses were measured using functional magnetic resonance imaging (fMRI). Based on findings from spatial neglect research, analyses of fMRI-BOLD responses were focused on a bilateral fronto-temporo-parietal network comprising Brodmann areas 22, 39, 40, and 44, as well as the basal ganglia core nuclei (caudate, putamen, pallidum). We observed an acceleration of saccadic speed towards stimuli ipsilateral to the trunk orientation modulated by individual handedness. Left-handed participants showed the strongest behavioral and neural effects, suggesting greater susceptibility to manipulations of trunk orientation. With respect to the dominant hand, a rotation around the vertical trunk midline modulated the activation of an ipsilateral network comprising fronto-temporo-parietal regions and the putamen with the strongest effects for saccades towards the hemifield opposite to the dominant hand. Within the investigated network, the temporo-parietal junction (TPJ) appears to serve as a region integrating sensory, motor, and trunk position information. Our results are discussed in the context of gain modulatory and laterality effects. We examined the effect of trunk rotation on brain responses in neglect-associated areas.Trunk-related BOLD-fMRI activation patterns depend on handedness. They were modulated most during trunk rotation contralateral to the dominant hand. Trunk rotation and saccade direction show interaction effects at TPJ. TPJ serves as a region integrating sensory, motor, and trunk position information.
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Affiliation(s)
- Kerstin Paschke
- Department of Cognitive Neurology, University Medicine Göttingen, Robert-Koch-Str. 40, Göttingen 37075, Germany; German Center for Addiction Research in Childhood and Adolescence, University Medical Center Hamburg-Eppendorf, Martinistr. 52, Hamburg 20246, Germany; Department of Neurology, University Medicine Göttingen, Robert-Koch-Str. 40, Goettingen 37075, Germany.
| | - Mathias Bähr
- Department of Neurology, University Medicine Göttingen, Robert-Koch-Str. 40, Goettingen 37075, Germany; DFG Center for Nanoscale Microscopy & Molecular Physiology of the Brain (CNMPB), Germany
| | - Torsten Wüstenberg
- Department of Psychiatry and Psychotherapy, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Berlin Institute of Health, Humboldt-Universität zu Berlin, Charité Campus Mitte, Charitéplatz 1, Berlin 10117, Germany; Systems Neuroscience in Psychiatry (SNiP), Central Institute of Mental Health, Mannheim, J5, Mannheim 68159, Germany
| | - Melanie Wilke
- Department of Cognitive Neurology, University Medicine Göttingen, Robert-Koch-Str. 40, Göttingen 37075, Germany; DFG Center for Nanoscale Microscopy & Molecular Physiology of the Brain (CNMPB), Germany; German Primate Center, Leibniz Institute for Primate Research, Kellnerweg 4, Göttingen 37077, Germany; Leibniz-science campus primate cognition, Germany
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17
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Handedness Side and Magnetization Transfer Ratio in the Primary Sensorimotor Cortex Central Sulcus. BIOMED RESEARCH INTERNATIONAL 2019; 2019:5610849. [PMID: 31467897 PMCID: PMC6699472 DOI: 10.1155/2019/5610849] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 06/24/2019] [Accepted: 07/21/2019] [Indexed: 11/17/2022]
Abstract
Left-handers show lower asymmetry in manual ability when compared to right-handers. Unlike right-handers, left-handers do not show larger deactivation of the ipsilateral primary sensorimotor (SM1) cortex on functional magnetic resonance imaging when moving their dominant than their nondominant hand. However, it should be noted that morphometric MRI studies have reported no differences between right-handers and left-handers in volume, thickness, or surface area of the SM1 cortex. In this regard, magnetization transfer (MT) imaging is a technique with the potential to provide information on microstructural organization and macromolecular content of tissue. In particular, MT ratio index of the brain gray matter is assumed to reflect the variable content of afferent or efferent myelinated fibers, with higher MT ratio values being associated with increased fibers number or degree of myelination. The aim of this study was hence to assess, for the first time, through quantitative MT ratio measurements, potential differences in microstructural organization/characteristics of SM1 cortex between left- and right-handers, which could underlay handedness side. Nine left-handed and 9 right-handed healthy subjects, as determined by the Edinburgh handedness inventory, were examined with T1-weighted and MT-weighted imaging on a 3 T scanner. The hands of subjects were kept still during all acquisitions. Using FreeSurfer suite and the automatic anatomical labeling parcellations defined by the Destrieux atlas, we measured MT ratio, as well as cortical thickness, in three regions of interests corresponding to the precentral gyrus, the central sulcus, and the postcentral gyrus in the bilateral SM1 cortex. No significant difference between left- and right-handers was revealed in the thickness of the three partitions of the SM1 cortex. However, left-handers showed a significantly (p = 0.007) lower MT ratio (31.92% ± 0.96%) in the right SM1 central sulcus (i.e., the hand representation area for left-handers) as compared to right-handers (33.28% ± 0.94%). The results of this preliminary study indicate that quantitative MT imaging, unlike conventional morphometric MRI measurements, can be a useful tool to reveal, in SM1 cortex, potential microstructural correlates of handedness side.
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18
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The neurophysiological correlates of handedness: Insights from the lateralized readiness potential. Behav Brain Res 2019; 364:114-122. [DOI: 10.1016/j.bbr.2019.02.021] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 01/30/2019] [Accepted: 02/12/2019] [Indexed: 12/21/2022]
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19
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Nakata H, Domoto R, Mizuguchi N, Sakamoto K, Kanosue K. Negative BOLD responses during hand and foot movements: An fMRI study. PLoS One 2019; 14:e0215736. [PMID: 31002697 PMCID: PMC6474656 DOI: 10.1371/journal.pone.0215736] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Accepted: 04/08/2019] [Indexed: 11/18/2022] Open
Abstract
The present study employed functional magnetic resonance imaging (fMRI) to examine the characteristics of negative blood oxygen level-dependent (Negative BOLD) signals during motor execution. Subjects repeated extension and flexion of one of the following: the right hand, left hand, right ankle, or left ankle. Negative BOLD responses during hand movements were observed in the ipsilateral hemisphere of the hand primary sensorimotor area (SMI), medial frontal gyrus (MeFG), middle frontal gyrus (MFG), and superior frontal gyrus (SFG). Negative BOLD responses during foot movements were also noted in the bilateral hand SMI, MeFG, MFG, SFG, inferior frontal gyrus, middle temporal gyrus, parahippocampal gyrus, anterior cingulate cortex, cingulate gyrus (CG), fusiform gyrus, and precuneus. A conjunction analysis showed that portions of the MeFG and CG involving similar regions to those of the default mode network were commonly deactivated during voluntary movements of the right/left hand or foot. The present results suggest that three mechanisms are involved in the Negative BOLD responses observed during voluntary movements: (1) transcallosal inhibition from the contralateral to ipsilateral hemisphere in the SMI, (2) the deactivated neural network with several brain regions, and (3) the default mode network in the MeFG and CG.
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Affiliation(s)
- Hiroki Nakata
- Faculty of Sport Sciences, Waseda University, Tokorozawa, Japan.,Health Sciences, Faculty of Human Life and Environment, Nara Women's University, Nara City, Japan
| | - Ryo Domoto
- School of Sport Sciences, Waseda University, Tokorozawa, Japan
| | - Nobuaki Mizuguchi
- The Japan Society for the Promotion of Science, Tokyo, Japan.,Faculty of Science and Technology, Keio University, Yokohama, Japan
| | - Kiwako Sakamoto
- Department of Integrative Physiology, National Institute for Physiological Sciences, Okazaki, Japan
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20
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Activations in gray and white matter are modulated by uni-manual responses during within and inter-hemispheric transfer: effects of response hand and right-handedness. Brain Imaging Behav 2019; 12:942-961. [PMID: 28808866 DOI: 10.1007/s11682-017-9750-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Because the visual cortices are contra-laterally organized, inter-hemispheric transfer tasks have been used to behaviorally probe how information briefly presented to one hemisphere of the visual cortex is integrated with responses resulting from the ipsi- or contra-lateral motor cortex. By forcing rapid information exchange across diverse regions, these tasks robustly activate not only gray matter regions, but also white matter tracts. It is likely that the response hand itself (dominant or non-dominant) modulates gray and white matter activations during within and inter-hemispheric transfer. Yet the role of uni-manual responses and/or right hand dominance in modulating brain activations during such basic tasks is unclear. Here we investigated how uni-manual responses with either hand modulated activations during a basic visuo-motor task (the established Poffenberger paradigm) alternating between inter- and within-hemispheric transfer conditions. In a large sample of strongly right-handed adults (n = 49), we used a factorial combination of transfer condition [Inter vs. Within] and response hand [Dominant(Right) vs. Non-Dominant (Left)] to discover fMRI-based activations in gray matter, and in narrowly defined white matter tracts. These tracts were identified using a priori probabilistic white matter atlases. Uni-manual responses with the right hand strongly modulated activations in gray matter, and notably in white matter. Furthermore, when responding with the left hand, activations during inter-hemispheric transfer were strongly predicted by the degree of right-hand dominance, with increased right-handedness predicting decreased fMRI activation. Finally, increasing age within the middle-aged sample was associated with a decrease in activations. These results provide novel evidence of complex relationships between uni-manual responses in right-handed subjects, and activations during within- and inter-hemispheric transfer suggest that the organization of the motor system exerts sophisticated functional effects. Moreover, our evidence of activation in white matter tracts is consistent with prior studies, confirming fMRI-detectable white matter activations which are systematically modulated by experimental condition.
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21
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McManus C. Half a century of handedness research: Myths, truths; fictions, facts; backwards, but mostly forwards. Brain Neurosci Adv 2019; 3:2398212818820513. [PMID: 32166178 PMCID: PMC7058267 DOI: 10.1177/2398212818820513] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Indexed: 12/22/2022] Open
Abstract
Although most people are right-handed and have language in their left cerebral hemisphere, why that is so, and in particular why about ten per cent of people are left-handed, is far from clear. Multiple theories have been proposed, often with little in the way of empirical support, and sometimes indeed with strong evidence against them, and yet despite that have become modern urban myths, probably due to the symbolic power of right and left. One thinks in particular of ideas of being right-brained or left-brained, of suggestions that left-handedness is due to perinatal brain damage, of claims that left-handers die seven years earlier than right-handers, and of the unfalsifiable ramifications of the byzantine Geschwind-Behan-Galaburda theory. This article looks back over the past fifty years of research on brain asymmetries, exploring the different themes and approaches, sometimes in relation to the author's own work. Taking all of the work together it is probable that cerebral asymmetries are under genetic control, probably with multiple genetic loci, only a few of which are now beginning to be found thanks to very large databases that are becoming available. Other progress is also seen in proper meta-analyses, the use of fMRI for studying multiple functional lateralisations in large number of individuals, fetal ultra-sound for assessing handedness before birth, and fascinating studies of lateralisation in an ever widening range of animal species. With luck the next fifty years will make more progress and show fewer false directions than had much of the work in the previous fifty years.
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Affiliation(s)
- Chris McManus
- Research Department of Clinical, Educational and Health Psychology, University College London, London, UK
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22
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Prieur J, Lemasson A, Barbu S, Blois‐Heulin C. History, development and current advances concerning the evolutionary roots of human right‐handedness and language: Brain lateralisation and manual laterality in non‐human primates. Ethology 2018. [DOI: 10.1111/eth.12827] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Jacques Prieur
- CNRS, EthoS (Ethologie animale et humaine) – UMR 6552 Universite de Rennes, Normandie Universite Paimpont France
| | - Alban Lemasson
- CNRS, EthoS (Ethologie animale et humaine) – UMR 6552 Universite de Rennes, Normandie Universite Paimpont France
| | - Stéphanie Barbu
- CNRS, EthoS (Ethologie animale et humaine) – UMR 6552 Universite de Rennes, Normandie Universite Paimpont France
| | - Catherine Blois‐Heulin
- CNRS, EthoS (Ethologie animale et humaine) – UMR 6552 Universite de Rennes, Normandie Universite Paimpont France
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23
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Ochando A, Zago L. What Are the Contributions of Handedness, Sighting Dominance, Hand Used to Bisect, and Visuospatial Line Processing to the Behavioral Line Bisection Bias? Front Psychol 2018; 9:1688. [PMID: 30258382 PMCID: PMC6143685 DOI: 10.3389/fpsyg.2018.01688] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Accepted: 08/22/2018] [Indexed: 11/13/2022] Open
Abstract
In a sample of 60 French participants, we examined whether the variability in the behavioral deviation measured during the classical "paper and pencil" line bisection task was explained by individual laterality factors such as handedness and eye sighting dominance, as well as the hand used to bisect, and the spatial position of the line to bisect. The results showed the expected main effects of line position and hand used to bisect, as well as some interactions between factors. Specifically, the effect of the hand used to bisect on the deviation bias was different as a function of handedness and line position. In right-handers, there was a strong difference between the biases elicited by each hand, producing a hand-used asymmetry, observed for each spatial position of the line. In left-handers, there was no difference in deviation as a function of hand used to perform the bisection, except when all factors triggered attention toward the left side such as bisecting left-displaced lines, with the left dominant hand, producing a strong leftward deviation as compared to the reduced bias exhibited with the right non-dominant hand. Finally, the eye sighting dominance interacted with handedness and line position. Left-handers with a right sighting dominance showed a leftward bias when they bisected left-displaced lines, while right-handers with a left sighting dominance showed an inversed bias when they bisected rightward lines. Taken together, these findings suggest that the behavioral deviation bias relies on the integration of the hemispheric weights of the visuospatial processing of the stimuli, and the motoric component of the hand used to bisect, as well as those linked to individual laterality factors. When all these factors producing asymmetric cerebral activation coincide in the same direction, then their joint effect will provide the strongest asymmetric behavioral biases.
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Affiliation(s)
- Audrey Ochando
- UMR 5293, Institut des Maladies Neurodégénératives, University of Bordeaux, Bordeaux, France
- UMR 5293, Centre National de la Recherche Scientifique, Institut des Maladies Neurodégénératives, Bordeaux, France
- UMR 5293, CEA, Institut des Maladies Neurodégénératives, Bordeaux, France
- UMR 5293, Team 5: GIN Groupe d’Imagerie Neurofonctionnelle, Centre Broca Nouvelle-Aquitaine, Institut des Maladies Neurodégénératives, Bordeaux, France
| | - Laure Zago
- UMR 5293, Institut des Maladies Neurodégénératives, University of Bordeaux, Bordeaux, France
- UMR 5293, Centre National de la Recherche Scientifique, Institut des Maladies Neurodégénératives, Bordeaux, France
- UMR 5293, CEA, Institut des Maladies Neurodégénératives, Bordeaux, France
- UMR 5293, Team 5: GIN Groupe d’Imagerie Neurofonctionnelle, Centre Broca Nouvelle-Aquitaine, Institut des Maladies Neurodégénératives, Bordeaux, France
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24
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Do Mechanical Effectiveness and Recipient Species Influence Intentional Signal Laterality in Captive Chimpanzees (Pan troglodytes)? INT J PRIMATOL 2018. [DOI: 10.1007/s10764-018-0054-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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25
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Morris A, Ravishankar M, Pivetta L, Chowdury A, Falco D, Damoiseaux JS, Rosenberg DR, Bressler SL, Diwadkar VA. Response Hand and Motor Set Differentially Modulate the Connectivity of Brain Pathways During Simple Uni-manual Motor Behavior. Brain Topogr 2018; 31:985-1000. [PMID: 30032347 DOI: 10.1007/s10548-018-0664-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Accepted: 07/17/2018] [Indexed: 01/02/2023]
Abstract
We investigated the flexible modulation of undirected functional connectivity (uFC) of brain pathways during simple uni-manual responding. Two questions were central to our interests: (1) does response hand (dominant vs. non-dominant) differentially modulate connectivity and (2) are these effects related to responding under varying motor sets. fMRI data were acquired in twenty right-handed volunteers who responded with their right (dominant) or left (non-dominant) hand (blocked across acquisitions). Within acquisitions, the task oscillated between periodic responses (promoting the emergence of motor sets) or randomly induced responses (disrupting the emergence of motor sets). Conjunction analyses revealed eight shared nodes across response hand and condition, time series from which were analyzed. For right hand responses connectivity of the M1 ←→ Thalamus and SMA ←→ Parietal pathways was more significantly modulated during periodic responding. By comparison, for left hand responses, connectivity between five network pairs (including M1 and SMA, insula, basal ganglia, premotor cortex, parietal cortex, thalamus) was more significantly modulated during random responding. uFC analyses were complemented by directed FC based on multivariate autoregressive models of times series from the nodes. These results were complementary and highlighted significant modulation of dFC for SMA → Thalamus, SMA → M1, basal ganglia → Insula and basal ganglia → Thalamus. The results demonstrate complex effects of motor organization and task demand and response hand on different connectivity classes of fMRI data. The brain's sub-networks are flexibly modulated by factors related to motor organization and/or task demand, and our results have implications for assessment of medical conditions associated with motor dysfunction.
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Affiliation(s)
- Alexandra Morris
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University School of Medicine, Suite 5A, Tolan Park Medical Building, 3901 Chrysler Service Drive, Detroit, MI, 48201, USA
| | - Mathura Ravishankar
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University School of Medicine, Suite 5A, Tolan Park Medical Building, 3901 Chrysler Service Drive, Detroit, MI, 48201, USA
| | - Lena Pivetta
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University School of Medicine, Suite 5A, Tolan Park Medical Building, 3901 Chrysler Service Drive, Detroit, MI, 48201, USA
| | - Asadur Chowdury
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University School of Medicine, Suite 5A, Tolan Park Medical Building, 3901 Chrysler Service Drive, Detroit, MI, 48201, USA
| | - Dimitri Falco
- Center for Complex Systems and Brain Sciences, Florida Atlantic University, Boca Raton, USA
| | - Jessica S Damoiseaux
- Department of Psychology, Wayne State University, Detroit, USA.,Institute of Gerontology, Wayne State University, Detroit, USA
| | - David R Rosenberg
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University School of Medicine, Suite 5A, Tolan Park Medical Building, 3901 Chrysler Service Drive, Detroit, MI, 48201, USA
| | - Steven L Bressler
- Center for Complex Systems and Brain Sciences, Florida Atlantic University, Boca Raton, USA
| | - Vaibhav A Diwadkar
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University School of Medicine, Suite 5A, Tolan Park Medical Building, 3901 Chrysler Service Drive, Detroit, MI, 48201, USA.
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Mapping cortical brain asymmetry in 17,141 healthy individuals worldwide via the ENIGMA Consortium. Proc Natl Acad Sci U S A 2018; 115:E5154-E5163. [PMID: 29764998 DOI: 10.1073/pnas.1718418115] [Citation(s) in RCA: 229] [Impact Index Per Article: 38.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Hemispheric asymmetry is a cardinal feature of human brain organization. Altered brain asymmetry has also been linked to some cognitive and neuropsychiatric disorders. Here, the ENIGMA (Enhancing NeuroImaging Genetics through Meta-Analysis) Consortium presents the largest-ever analysis of cerebral cortical asymmetry and its variability across individuals. Cortical thickness and surface area were assessed in MRI scans of 17,141 healthy individuals from 99 datasets worldwide. Results revealed widespread asymmetries at both hemispheric and regional levels, with a generally thicker cortex but smaller surface area in the left hemisphere relative to the right. Regionally, asymmetries of cortical thickness and/or surface area were found in the inferior frontal gyrus, transverse temporal gyrus, parahippocampal gyrus, and entorhinal cortex. These regions are involved in lateralized functions, including language and visuospatial processing. In addition to population-level asymmetries, variability in brain asymmetry was related to sex, age, and intracranial volume. Interestingly, we did not find significant associations between asymmetries and handedness. Finally, with two independent pedigree datasets (n = 1,443 and 1,113, respectively), we found several asymmetries showing significant, replicable heritability. The structural asymmetries identified and their variabilities and heritability provide a reference resource for future studies on the genetic basis of brain asymmetry and altered laterality in cognitive, neurological, and psychiatric disorders.
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27
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Constant M, Mellet E. The Impact of Handedness, Sex, and Cognitive Abilities on Left-Right Discrimination: A Behavioral Study. Front Psychol 2018; 9:405. [PMID: 29636718 PMCID: PMC5881360 DOI: 10.3389/fpsyg.2018.00405] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Accepted: 03/12/2018] [Indexed: 11/13/2022] Open
Abstract
The present study examined the relationship between left–right discrimination (LRD) performance and handedness, sex and cognitive abilities. In total, 31 men and 35 women – with a balanced ratio of left-and right-handers – completed the Bergen Left–Right Discrimination Test. We found an advantage of left-handers in both identifying left hands and in verifying “left” propositions. A sex effect was also found, as women had an overall higher error rate than men, and increasing difficulty impacted their reaction time more than it did for men. Moreover, sex interacted with handedness and manual preference strength. A negative correlation of LRD reaction time with visuo-spatial and verbal long-term memory was found independently of sex, providing new insights into the relationship between cognitive skills and performance on LRD.
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Affiliation(s)
- Martin Constant
- Institut des Maladies Neurodégénératives (IMN), UMR 5293, University of Bordeaux, Bordeaux, France.,Centre National de la Recherche Scientifique (CNRS), Institut des Maladies Neurodégénératives (IMN), UMR 5293, University of Bordeaux, Bordeaux, France.,CEA, Groupe d'Imagerie Neurofonctionnelle, Institut des Maladies Neurodégénératives (IMN), UMR 5293, University of Bordeaux, Bordeaux, France.,Institut des Maladies Neurodégénératives (IMN), UMR 5293, Team 5: GIN Groupe d'Imagerie Neurofonctionnelle, Centre Broca Nouvelle-Aquitaine, Bordeaux, France
| | - Emmanuel Mellet
- Institut des Maladies Neurodégénératives (IMN), UMR 5293, University of Bordeaux, Bordeaux, France.,Centre National de la Recherche Scientifique (CNRS), Institut des Maladies Neurodégénératives (IMN), UMR 5293, University of Bordeaux, Bordeaux, France.,CEA, Groupe d'Imagerie Neurofonctionnelle, Institut des Maladies Neurodégénératives (IMN), UMR 5293, University of Bordeaux, Bordeaux, France.,Institut des Maladies Neurodégénératives (IMN), UMR 5293, Team 5: GIN Groupe d'Imagerie Neurofonctionnelle, Centre Broca Nouvelle-Aquitaine, Bordeaux, France
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28
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Begliomini C, Sartori L, Di Bono MG, Budisavljević S, Castiello U. The Neural Correlates of Grasping in Left-Handers: When Handedness Does Not Matter. Front Neurosci 2018; 12:192. [PMID: 29666567 PMCID: PMC5891894 DOI: 10.3389/fnins.2018.00192] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Accepted: 03/09/2018] [Indexed: 11/13/2022] Open
Abstract
Neurophysiological studies showed that in macaques, grasp-related visuomotor transformations are supported by a circuit involving the anterior part of the intraparietal sulcus, the ventral and the dorsal region of the premotor area. In humans, a similar grasp-related circuit has been revealed by means of neuroimaging techniques. However, the majority of "human" studies considered movements performed by right-handers only, leaving open the question of whether the dynamics underlying motor control during grasping is simply reversed in left-handers with respect to right-handers or not. To address this question, a group of left-handed participants has been scanned with functional magnetic resonance imaging while performing a precision grasping task with the left or the right hand. Dynamic causal modeling was used to assess how brain regions of the two hemispheres contribute to grasping execution and whether the intra- and inter-hemispheric connectivity is modulated by the choice of the performing hand. Results showed enhanced inter-hemispheric connectivity between anterior intraparietal and dorsal premotor cortices during grasping execution with the left dominant hand (LDH) (e.g., right hemisphere) compared to the right (e.g., left hemisphere). These findings suggest that that the left hand, although dominant and theoretically more skilled in left handers, might need additional resources in terms of the visuomotor control and on-line monitoring to accomplish a precision grasping movement. The results are discussed in light of theories on the modulation of parieto-frontal networks during the execution of prehensile movements, providing novel evidence supporting the hypothesis of a handedness-independent specialization of the left hemisphere in visuomotor control.
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Affiliation(s)
- Chiara Begliomini
- Dipartimento di Psicologia Generale, Università degli Studi di Padova, Padua, Italy.,Padua Neuroscience Center, Padua, Italy
| | - Luisa Sartori
- Dipartimento di Psicologia Generale, Università degli Studi di Padova, Padua, Italy.,Padua Neuroscience Center, Padua, Italy
| | - Maria G Di Bono
- Dipartimento di Psicologia Generale, Università degli Studi di Padova, Padua, Italy
| | | | - Umberto Castiello
- Dipartimento di Psicologia Generale, Università degli Studi di Padova, Padua, Italy
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29
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Andersen KW, Siebner HR. Mapping dexterity and handedness: recent insights and future challenges. Curr Opin Behav Sci 2018. [DOI: 10.1016/j.cobeha.2017.12.020] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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30
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Prieur J, Barbu S, Blois-Heulin C. Human laterality for manipulation and gestural communication related to 60 everyday activities: Impact of multiple individual-related factors. Cortex 2018; 99:118-134. [DOI: 10.1016/j.cortex.2017.10.023] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2017] [Revised: 10/23/2017] [Accepted: 10/30/2017] [Indexed: 12/13/2022]
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31
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Rosch RE, Cowell PE, Gurd JM. Cerebellar Asymmetry and Cortical Connectivity in Monozygotic Twins with Discordant Handedness. THE CEREBELLUM 2017; 17:191-203. [PMID: 29063351 PMCID: PMC5849645 DOI: 10.1007/s12311-017-0889-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Handedness differentiates patterns of neural asymmetry and interhemispheric connectivity in cortical systems that underpin manual and language functions. Contemporary models of cerebellar function incorporate complex motor behaviour and higher-order cognition, expanding upon earlier, traditional associations between the cerebellum and motor control. Structural MRI defined cerebellar volume asymmetries and correlations with corpus callosum (CC) size were compared in 19 pairs of adult female monozygotic twins strongly discordant for handedness (MZHd). Volume and asymmetry of cerebellar lobules were obtained using automated parcellation.CC area and regional widths were obtained from midsagittal planimetric measurements. Within the cerebellum and CC, neurofunctional distinctions were drawn between motor and higher-order cognitive systems. Relationships amongst regional cerebellar asymmetry and cortical connectivity (as indicated by CC widths) were investigated. Interactions between hemisphere and handedness in the anterior cerebellum were due to a larger right-greater-than-left hemispheric asymmetry in right-handed (RH) compared to left-handed (LH) twins. In LH twins only, anterior cerebellar lobule volumes (IV, V) for motor control were associated with CC size, particularly in callosal regions associated with motor cortex connectivity. Superior posterior cerebellar lobule volumes (VI, Crus I, Crus II, VIIb) showed no correlation with CC size in either handedness group. These novel results reflected distinct patterns of cerebellar-cortical relationships delineated by specific CC regions and an anterior-posterior cerebellar topographical mapping. Hence, anterior cerebellar asymmetry may contribute to the greater degree of bilateral cortical organisation of frontal motor function in LH individuals.
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Affiliation(s)
- R E Rosch
- Wellcome Trust Centre for Neuroimaging, Institute of Neurology, University College London, London, UK.,Developmental Neurosciences Programme, UCL Great Ormond Street Institute of Child Health, University College London, London, UK
| | - P E Cowell
- Department of Human Communication Sciences, University of Sheffield, 362 Mushroom Lane, Sheffield, S10 2TS, UK.
| | - J M Gurd
- Department of Human Communication Sciences, University of Sheffield, 362 Mushroom Lane, Sheffield, S10 2TS, UK.,Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, UK
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Prieur J, Barbu S, Blois-Heulin C. Assessment and analysis of human laterality for manipulation and communication using the Rennes Laterality Questionnaire. ROYAL SOCIETY OPEN SCIENCE 2017; 4:170035. [PMID: 28878966 PMCID: PMC5579081 DOI: 10.1098/rsos.170035] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Accepted: 07/26/2017] [Indexed: 06/07/2023]
Abstract
Despite significant scientific advances, the nature of the left-hemispheric systems involved in language (speech and gesture) and manual actions is still unclear. To date, investigations of human laterality focused mainly on non-communication functions. Although gestural laterality data have been published for infants and children, relatively little is known about laterality of human gestural communication. This study investigated human laterality in depth considering non-communication manipulation actions and various gesture types involving hands, feet, face and ears. We constructed an online laterality questionnaire including 60 items related to daily activities. We collected 317 594 item responses by 5904 randomly selected participants. The highest percentages of strong left-lateralized (6.76%) and strong right-lateralized participants (75.19%) were for manipulation actions. The highest percentages of mixed left-lateralized (12.30%) and ambidextrous (50.23%) participants were found for head-related gestures. The highest percentage of mixed right-lateralized participants (55.33%) was found for auditory gestures. Every behavioural category showed a significant population-level right-side bias. More precisely, participants were predominantly right-lateralized for non-communication manual actions, for visual iconic, visual symbolic, visual deictic (with and without speech), tactile and auditory manual gestures as well as for podial and head-related gestures. Our findings support previous studies reporting that humans have left-brain predominance for gestures and complex motor activities such as tool-use. Our study shows that the Rennes Laterality Questionnaire is a useful research instrument to assess and analyse human laterality for both manipulation and communication functions.
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Affiliation(s)
- Jacques Prieur
- Ethos ‘Ethologie Animale et Humaine’, Université de Rennes 1 - CNRS UMR 6552, Station biologique de Paimpont, France
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33
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Mellet E, Mazoyer B, Leroux G, Joliot M, Tzourio-Mazoyer N. Cortical Asymmetries during Hand Laterality Task Vary with Hand Laterality: A fMRI Study in 295 Participants. Front Hum Neurosci 2016; 10:628. [PMID: 27999536 PMCID: PMC5138568 DOI: 10.3389/fnhum.2016.00628] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2016] [Accepted: 11/24/2016] [Indexed: 11/13/2022] Open
Abstract
The aim of this study was to characterize, using fMRI, the functional asymmetries of hand laterality task (HLT) in a sample of 295 participants balanced for handedness. During HLT, participants have to decide whether the displayed picture of a hand represent a right or a left hand. Pictures of hands' back view were presented for 150 ms in the right or left hemifield. At the whole hemisphere level, we evidenced that the laterality of the hand and of the hemifield in which the picture was displayed combined their effects on the hemispheric asymmetry in an additive way. We then identified a set of 17 functional homotopic regions of interest (hROIs) including premotor, motor, somatosensory and parietal regions, whose activity and asymmetry varied with the laterality of the presented hands. When the laterality of a right hand had to be evaluated, these areas showed stronger leftward asymmetry, the hROI located in the primary motor area showing a significant larger effect than all other hROIs. In addition a subset of six parietal regions involved in visuo-motor integration together with two postcentral areas showed a variation in asymmetry with hemifield of presentation. Finally, while handedness had no effect at the hemispheric level, two regions located in the parietal operculum and intraparietal sulcus exhibited larger leftward asymmetry with right handedness independently of the hand of presentation. The present results extend those of previous works in showing a shift of asymmetries during HLT according to the hand presented in sensorimotor areas including primary motor cortex. This shift was not affected by manual preference. They also demonstrate that the coordination of visual information and handedness identification of hands relied on the coexistence of contralateral motor and visual representations in the superior parietal lobe and the postcentral gyrus.
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Affiliation(s)
- Emmanuel Mellet
- Groupe d'Imagerie Neurofonctionnelle, Institut des Maladies Neurodégénératives UMR 5293, Université BordeauxBordeaux, France; Centre National de la Recherche Scientifique, Groupe d'Imagerie Neurofonctionnelle, Institut des Maladies Neurodégénératives UMR 5293Bordeaux, France; Commissariat à l'Energie Atomique et aux Energies Alternatives, Groupe d'Imagerie Neurofonctionnelle, Institut des Maladies Neurodégénératives UMR 5293Bordeaux, France
| | - Bernard Mazoyer
- Groupe d'Imagerie Neurofonctionnelle, Institut des Maladies Neurodégénératives UMR 5293, Université BordeauxBordeaux, France; Centre National de la Recherche Scientifique, Groupe d'Imagerie Neurofonctionnelle, Institut des Maladies Neurodégénératives UMR 5293Bordeaux, France; Commissariat à l'Energie Atomique et aux Energies Alternatives, Groupe d'Imagerie Neurofonctionnelle, Institut des Maladies Neurodégénératives UMR 5293Bordeaux, France
| | - Gaelle Leroux
- Groupe d'Imagerie Neurofonctionnelle, Institut des Maladies Neurodégénératives UMR 5293, Université BordeauxBordeaux, France; Centre National de la Recherche Scientifique, Groupe d'Imagerie Neurofonctionnelle, Institut des Maladies Neurodégénératives UMR 5293Bordeaux, France; Commissariat à l'Energie Atomique et aux Energies Alternatives, Groupe d'Imagerie Neurofonctionnelle, Institut des Maladies Neurodégénératives UMR 5293Bordeaux, France
| | - Marc Joliot
- Groupe d'Imagerie Neurofonctionnelle, Institut des Maladies Neurodégénératives UMR 5293, Université BordeauxBordeaux, France; Centre National de la Recherche Scientifique, Groupe d'Imagerie Neurofonctionnelle, Institut des Maladies Neurodégénératives UMR 5293Bordeaux, France; Commissariat à l'Energie Atomique et aux Energies Alternatives, Groupe d'Imagerie Neurofonctionnelle, Institut des Maladies Neurodégénératives UMR 5293Bordeaux, France
| | - Nathalie Tzourio-Mazoyer
- Groupe d'Imagerie Neurofonctionnelle, Institut des Maladies Neurodégénératives UMR 5293, Université BordeauxBordeaux, France; Centre National de la Recherche Scientifique, Groupe d'Imagerie Neurofonctionnelle, Institut des Maladies Neurodégénératives UMR 5293Bordeaux, France; Commissariat à l'Energie Atomique et aux Energies Alternatives, Groupe d'Imagerie Neurofonctionnelle, Institut des Maladies Neurodégénératives UMR 5293Bordeaux, France
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34
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Zago L, Petit L, Mellet E, Jobard G, Crivello F, Joliot M, Mazoyer B, Tzourio-Mazoyer N. The association between hemispheric specialization for language production and for spatial attention depends on left-hand preference strength. Neuropsychologia 2016; 93:394-406. [DOI: 10.1016/j.neuropsychologia.2015.11.018] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2015] [Revised: 10/16/2015] [Accepted: 11/23/2015] [Indexed: 12/26/2022]
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35
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Crosson B, McGregor KM, Nocera JR, Drucker JH, Tran SM, Butler AJ. The relevance of aging-related changes in brain function to rehabilitation in aging-related disease. Front Hum Neurosci 2015; 9:307. [PMID: 26074807 PMCID: PMC4444823 DOI: 10.3389/fnhum.2015.00307] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2015] [Accepted: 05/12/2015] [Indexed: 12/29/2022] Open
Abstract
The effects of aging on rehabilitation of aging-related diseases are rarely a design consideration in rehabilitation research. In this brief review we present strong coincidental evidence from these two fields suggesting that deficits in aging-related disease or injury are compounded by the interaction between aging-related brain changes and disease-related brain changes. Specifically, we hypothesize that some aphasia, motor, and neglect treatments using repetitive transcranial magnetic stimulation (rTMS) or transcranial direct current stimulation (tDCS) in stroke patients may address the aging side of this interaction. The importance of testing this hypothesis and addressing the larger aging by aging-related disease interaction is discussed. Underlying mechanisms in aging that most likely are relevant to rehabilitation of aging-related diseases also are covered.
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Affiliation(s)
- Bruce Crosson
- Department of Veterans Affairs Rehabilitation Research and Development Center of Excellence for Visual and Neurocognitive Rehabilitation (151R), Atlanta VA Medical Center Decatur, GA, USA ; Department of Neurology, Emory University Atlanta, GA, USA ; Department of Psychology, Georgia State University Atlanta, GA, USA ; School of Health and Rehabilitation Sciences, University of Queensland Brisbane, Qld, Australia
| | - Keith M McGregor
- Department of Veterans Affairs Rehabilitation Research and Development Center of Excellence for Visual and Neurocognitive Rehabilitation (151R), Atlanta VA Medical Center Decatur, GA, USA ; Department of Neurology, Emory University Atlanta, GA, USA
| | - Joe R Nocera
- Department of Veterans Affairs Rehabilitation Research and Development Center of Excellence for Visual and Neurocognitive Rehabilitation (151R), Atlanta VA Medical Center Decatur, GA, USA ; Department of Neurology, Emory University Atlanta, GA, USA
| | - Jonathan H Drucker
- Department of Veterans Affairs Rehabilitation Research and Development Center of Excellence for Visual and Neurocognitive Rehabilitation (151R), Atlanta VA Medical Center Decatur, GA, USA ; Department of Neurology, Emory University Atlanta, GA, USA ; Department of Psychology, Emory University Atlanta, GA, USA
| | - Stella M Tran
- Department of Veterans Affairs Rehabilitation Research and Development Center of Excellence for Visual and Neurocognitive Rehabilitation (151R), Atlanta VA Medical Center Decatur, GA, USA ; Department of Psychology, Georgia State University Atlanta, GA, USA
| | - Andrew J Butler
- Department of Veterans Affairs Rehabilitation Research and Development Center of Excellence for Visual and Neurocognitive Rehabilitation (151R), Atlanta VA Medical Center Decatur, GA, USA ; Department of Physical Therapy and School of Nursing and Health Professionals, Georgia State University Atlanta, GA, USA
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36
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Ulmer JL, Klein AP, Mark LP, Tuna I, Agarwal M, DeYoe E. Functional and Dysfunctional Sensorimotor Anatomy and Imaging. Semin Ultrasound CT MR 2015; 36:220-33. [PMID: 26233857 DOI: 10.1053/j.sult.2015.05.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The sensorimotor system of the human brain and body is fundamental only in its central role in our daily lives. On further examination, it is a system with intricate and complex anatomical, physiological, and functional relationships. Sensorimotor areas including primary sensorimotor, premotor, supplementary motor, and higher order somatosensory cortices are critical for function and can be localized at routine neuroimaging with a familiarity of sulcal and gyral landmarks. Likewise, a thorough understanding of the functions and dysfunctions of these areas can empower the neuroradiologist and lead to superior imaging search patterns, diagnostic considerations, and patient care recommendations in daily clinical practice. Presurgical functional brain mapping of the sensorimotor system may be necessary in scenarios with distortion of anatomical landmarks, multiplanar localization, homunculus localization, congenital brain anomalies, informing diffusion tensor imaging interpretations, and localizing nonvisible targets.
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Affiliation(s)
- John L Ulmer
- Department of Radiology, Medical College of Wisconsin, 9200 W. Wisconsin Avenue, Milwaukee, WI 53226.
| | - Andrew P Klein
- Department of Radiology, Medical College of Wisconsin, 9200 W. Wisconsin Avenue, Milwaukee, WI 53226
| | - Leighton P Mark
- Department of Radiology, Medical College of Wisconsin, 9200 W. Wisconsin Avenue, Milwaukee, WI 53226
| | - Ibrahim Tuna
- Department of Radiology, Medical College of Wisconsin, Milwaukee, WI
| | - Mohit Agarwal
- Department of Radiology, Medical College of Wisconsin, 9200 W. Wisconsin Avenue, Milwaukee, WI 53226
| | - Edgar DeYoe
- Department of Radiology, Medical College of Wisconsin, 9200 W. Wisconsin Avenue, Milwaukee, WI 53226
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